/Engine/Plugins/Experimental/GeometryScripting/Source/GeometryScriptingCore/Public/GeometryScript/ListUtilityFunctions.h
Populates a Scalar List with values that corresponds to the 0, 1, 2, or 3 channel of a Color List.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="GeometryScript|ListUtils", Meta=(ScriptMethod)) static void ExtractColorListChannel ( [FGeometryScriptColorList](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptColorList) ColorList, [FGeometryScriptScalarList](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptScalarList) & ScalarList, int32 ChannelIndex )